Plectronia. | RUBIACEE (Sond.) 17 
Natal, Krauss, 178. Gueinzius, T. Williamson, Gerrard § M‘Ken. Var. 8B. in 
Krakakamma, £. § Z. Jan.—Feb. (Herb. D., Sd.) 
Shrub or tree 12-15 feet high, with tetragonal subcompressed branches. Stipules 
cuspidate. Leaves 1-2 inches long, with revolute margins, and a gland at the base 
of the lateral nerves. Cymes pedunculate. Calyx 1 line long, with very short teeth. 
Corolla 2 lines long, §, rarely 4-parted, the lobes acute ; the inner surface of the 
tube and throat hairy. Anthers subsessile, exserted. Style much exserted, Fruit 
the size of a large pea, roundish, subcompressed, 1-2-seeded. 
X. PLECTRONIA, L. 
Calyz-tube obovate or oblong; limb with 5 short teeth. Corolla 
subinfundibuliform, with a 5-parted limb, acute, reflexed segments val- 
vate in bud, and a hairy or naked throat. Stamens 5, in the throat, sub- 
exserted. Style short. Stigma subcapitate, of 2 approximate lamelle. 
Berry fleshy, obovate-oblong, compressed, didymous, of 2 pyrene. Py- 
rene indehiscent, 1-seeded. Albumen fleshy. Lam. ill. t. 146. Plectronia 
et Psilostoma, Klotzsch. in E. Z. enum. 
Shrubs or small trees with subspinous branches, ovate leaves, and axillary race- 
mose or corymbose peduncles, with small flowers. Name from #Anxrpoy, a whip, 
in allusion to the square branches. [Too nearly allied to Canthium, W. H. H.] 
Throat bearded. 
Leaves pale beneath ; petioles glabrous ... ... ... ... ... (1) ventosa. 
Leaves one-coloured ; petioles pubescent ... ... ... ... ... (2) Mundtiana. 
Throat naked. 
Pedicels axillary, 2-flowered; tube of corolla as long as thelimb (3) parviflora. 
Pedicels axill.,1-2-flowered ; tube of corollalongerthanthelimb (4) ciliata. 
Pedicels axill., 5-12-fl.; tube of corolla shorter than the limb (5) spinosa. 
1, P. ventosa (Linn. Mant. p. 52); glabrous, branches brachiate, 
patent, spiny ; twigs quadrangular ; leaves opposite, petiolate, ovate or 
ovate-oblong, entire, subcoriaceous, pale on the lower surface ; corymbs 
10—20-flowered; tube of the corolla conical, longer than the limb ; 
throat bearded. Serissa Capensis, Thunb. l. c. p. 193, excl. syn. Cruse 
Rubiac. cap. p. 20, t.2, E. Z.! 2297. Canthium Thunbergianum, Cham. 
& Schl. in Linnea, 4, p.130. Burm. Afr. n. 257, t. 94- 
Has. In woods and ravines throughout the Colony. Oct.-Nov. (Herb. D., Sd.) 
A ger ner feet ence -aagael from 6-10 oe a — Wood 
ean oF subacuminate, 1-23 inches long. Petioles 4-6 lines oa glabrous. 
Corymbs shorter than the leaves. Corolla about 3 lines long. Style equalling the 
throat. Fruit about 5~6 lines long, 4 lines broad. Seeds oblong. Plectronia ven- 
tosa, Thunb. fl. cap. p. 195, is Apodytes dimidiata, Benth. (Conf. vol. 1, p. 235). 
_ 2. P, Mundtiana (Pappe Sylv. cap. p. 19); branches erect-spread- 
ing, a little spiny ; twigs subangular ; leaves opposite, petiolate, ovate, 
or elliptical, entire, membranaceous, one-coloured, petioles and middle 
rib pubescent on the upper surface ; corymbs 5—r10-flowered ; tube ot 
the corolla cylindrical, as long as the limb, throat bearded. Canthium 
Mundtianum Cham. et Schlecht. in Linnea, 4, p. 131. #. & Z./ 2295. 
Herb. Un. Itin. No. 637. Drege, 6747. 
Var. 8. pubescens (Cham. and Schl. 1. c.); branches and leaves softly pubescent. 
Poet ifolia, Mundt. in Herb. E. § Z. 
On the Table and Devil’s Mountain, Simon’s Bay, Grootvadersbosch, Plet- 
VOL, It, 2 
